Functions have unique names now unless they are foreign, probably will

need a keyword to not mangle the names.

examples/arrays_and_slices.kl

@@ -11,6 +11,7 @@ be nice if handling of that was simplified.
 */
 
 
+
 main :: (): int
   static_array: [8]int
 
@@ -50,4 +51,5 @@ main :: (): int
   // example in a single line
   for slice;; *it = 2
 
-  Assert(static_array[2] == 2)
+  Assert(static_array[2] == 2)
+  return 0